# Letter Manager vs SOFIA GLPI

The clearest difference is in-app purchases: SOFIA GLPI at none against Letter Manager's 4. Letter Manager's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 17.0). On price, update cadence and ads there is nothing between them.

Both are free to download. Letter Manager sells 4 one-off in-app purchases. SOFIA GLPI asks for nothing beyond the download.

Letter Manager ships an update every 3 weeks, SOFIA GLPI fortnightly. The most recent releases landed on October 13, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Letter Manager | SOFIA GLPI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (19 ratings)](https://appshunter.io/ios/app/letter-manager/id1514415524/reviews)** | — |
| Number of ratings | **19** | — |
| Positive reviews | 86.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | Free with in-app purchases | — |
| Size | 27 MB | 1 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Felix Reimann](https://appshunter.io/developer/1513019105) | [bastien travers](https://appshunter.io/developer/6789563580) |

## What reviewers say

### Letter Manager

[App page](https://appshunter.io/ios/app/letter-manager/id1514415524)

Effortlessly write, format, and send letters with customizable templates. Scan and digitize incoming mail for easy organization and retrieval. Supports attachments and mail merges.

**Highlights:** Automatic DIN standard formatting, Save personalized letter templates, Attach PDF documents and images, Scan and digitize incoming letters, Keyword search for scanned text, Mail merge functionality, Export as PDF for email or print

**Features:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Fullversion Birthday Edition | $2.99 | one-time |
| Fullversion with voucher | $3.99 | one-time |
| Fullversion | $5.99 | one-time |
| Fullversion for Dealers | $5.99 | one-time |


### SOFIA GLPI

[App page](https://appshunter.io/ios/app/sofia-glpi/id6789789858)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Letter Manager free?

Letter Manager is free to download, with in-app purchases available.

### Is SOFIA GLPI free?

SOFIA GLPI is free to download, with no in-app purchases.

### Do Letter Manager or SOFIA GLPI have ads?

Neither Letter Manager nor SOFIA GLPI shows ads.

### Which is updated more often, Letter Manager or SOFIA GLPI?

Letter Manager ships an update every 3 weeks, and SOFIA GLPI fortnightly. Most recently, Letter Manager was updated on October 13, 2026 and SOFIA GLPI on September 29, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*